CN107486579A - A kind of cutting tool with diversity function coating and preparation method thereof - Google Patents
A kind of cutting tool with diversity function coating and preparation method thereof Download PDFInfo
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- CN107486579A CN107486579A CN201710765230.0A CN201710765230A CN107486579A CN 107486579 A CN107486579 A CN 107486579A CN 201710765230 A CN201710765230 A CN 201710765230A CN 107486579 A CN107486579 A CN 107486579A
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- 238000000576 coating method Methods 0.000 title claims abstract description 104
- 238000005520 cutting process Methods 0.000 title claims abstract description 83
- 239000011248 coating agent Substances 0.000 title claims abstract description 69
- 238000002360 preparation method Methods 0.000 title claims description 12
- 239000010410 layer Substances 0.000 claims abstract description 142
- 230000001050 lubricating effect Effects 0.000 claims abstract description 46
- 230000007704 transition Effects 0.000 claims abstract description 44
- 238000005240 physical vapour deposition Methods 0.000 claims abstract description 24
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 18
- 239000000956 alloy Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 12
- 238000000151 deposition Methods 0.000 claims description 32
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 26
- 230000008021 deposition Effects 0.000 claims description 22
- 239000003973 paint Substances 0.000 claims description 19
- 238000005137 deposition process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 7
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 6
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000013077 target material Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 claims 6
- 230000002045 lasting effect Effects 0.000 claims 1
- 239000000314 lubricant Substances 0.000 claims 1
- 230000036299 sexual function Effects 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 4
- 229960002415 trichloroethylene Drugs 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910001311 M2 high speed steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0605—Carbon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
- C23C14/325—Electric arc evaporation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Drilling Tools (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a kind of cutting tool with diversity function coating, the cutting tool includes cutting tip and chip removal part, the cutting tip coating is hard coat, the chip removal partial coating is lubricating layer, the hard coat and lubricating layer physical vapour deposition (PVD) PVD mode coatings, described hard coat includes transition zone, intermediate layer and top layer, described transition composition of layer is Ti N or CrN, described Interlayer Alloy is (TiAlCrMe) N, and the composition on the top layer is Ti N or CrN.The cutting tool with diversity function coating of the present invention, hard coat with high red hardness, wearability and high rigidity, groove chip removal part employs roughness and the extremely low DLC coatings of coefficient of friction, cutter is smooth in working angles chip removal, reduce the accumulation of heat on the cutting edge, hard coat is always maintained at high rigidity and wearability.
Description
Technical field
The invention belongs to Cutting-Tool Coating Technology field, and in particular to a kind of cutting tool with diversity function coating and
Its preparation method.
Background technology
Coating extensive use in Tool in Cutting processing, with the raising of processing efficiency and the change of Material Processing, to applying
Layer proposes new requirement, TiN AlTiN CrAlN etc. be all greatly improved in hardness, red hardness, but roughness
Of a relatively high, coefficient of friction is big, is unfavorable for chip removal, and chip removal can freely not cause heat build-up, reduce cutter life.DLC
Coating belongs to lubricating layer, and coefficient of friction is low, is advantageous to groove chip removal, but poor high temperature stability, the metastable state in 400 DEG C of film layers
SP3 keys convert to SP2 keys, form graphite, coating failure, so can not meet the needs of the Bulk coat on cutter.
The content of the invention
The present invention develops a kind of cutting tool with diversity function coating and preparation method thereof, solves above-mentioned carry
The technical problem gone out.
The technological means that the present invention uses is as follows：A kind of cutting tool with diversity function coating, the bite
Tool includes cutting tip and chip removal part, and the cutting tip coating is hard coat, and the chip removal partial coating is lubricating layer,
The hard coat and lubricating layer physical vapour deposition (PVD) PVD mode coatings, described hard coat include transition zone, intermediate layer
And top layer, described transition composition of layer are TiN or CrN, described Interlayer Alloy is (TiAlCrMe) N, the top layer into
It is divided into TiN or CrN, the lubricating layer of the chip removal part deposition is DLC coatings.
Further, in the above-mentioned technical solutions, the material of the cutting tool with diversity function coating includes
High-speed steel, hard alloy and ceramics；For the hard coat by up of three layers, transition zone TiN or CrN thickness are 0.1-1 μm, middle
Layer be (TiAlCrMe) N, Me for V W Si Y one or more of elements in Nb, wherein 0≤Ti≤0.33,0≤Al≤
0.70,0≤Cr≤0.30,0≤Me≤0.2,1-5 μm of thickness, top layer TiN or CrN thickness are 0.3-1 μm；The lubricating layer is
DLC coatings, 0.1-1 μm of thickness, coefficient of friction 0.05-0.15, hardness HV2000-3000.
A kind of preparation method of the cutting tool with diversity function coating, described diversity function is carried for preparing
The cutting tool of coating, comprises the following steps：
S1：Tool surface deposition prepares transition zone, and deposition process temperature is 300 DEG C -400 DEG C and N2Flow is 400-
600sccm, back bias voltage is 100V-200V and TI targets or Cr target arc currents are 80A-110A, and lasts about 600s-1200s,
Tool surface carries out depositing the transition zone that forming component is TiN or CrN；
S2:Transition layer surface deposits the intermediate layer of hard coat, and deposition process temperature is 400 DEG C -500 DEG C and N2Flow is
1000-1200sccm, back bias voltage is 80V-180V and alloy target material arc current is 90A-100A and the duration is 54000s-
90000s, carry out depositing the intermediate layer that forming component is (TiAlCrMe) N in transition layer surface；
S3:Interlayer surfaces deposition hard coat top layer, deposition process temperature is 350 DEG C -450 DEG C and N2Flow is 400-
600sccm, between back bias voltage is 100V-150V and TI targets or Cr target arc currents are about 70A-90A, and duration 600s-
1200s, forming component are TiN or CrN top layer；
S4：After hard coat is integrally formed in cutter, smears and block in blades of cutting tools heat resistance paint, in an atmosphere
Place 20 minutes, the heat resistance paint selection operating temperature is 0 DEG C -250 DEG C；
S5：The lubricating layer of DLC coatings, lubricating layer DLC deposition temperature are deposited as in cutter slot part using filtered arc equipment
To spend for 80 DEG C -170 DEG C, Ar flows are 50sccm-120sccm, and it is 40A-60A to bias as 100V-300V, graphite target arc current,
The DLC depositing operation duration is 1200s-2400s；
S6：And then shape in blades of cutting tools into including transition zone, intermediate layer and the hard coat on top layer and cutter chip removal
Part forms lubricating layer, is prepared into the described cutting tool with diversity function coating.
Further, in the above-mentioned technical solutions, it is further comprising the steps of：
S7：Cutter soaks in the trichloroethylene solvent with ultrasonic wave after coating removes cutting tip surface refractory
Paint.
Beneficial effects of the present invention are：
(1) described cutting tool with diversity function coating of the invention and preparation method thereof, have high red hard
The hard coat of property, wearability and high rigidity；
(2) described cutting tool with diversity function coating of the invention and preparation method thereof, groove chip removal portion
Roughness and the extremely low DLC coatings of coefficient of friction point are employed, cutter is smooth in working angles chip removal；
(3) described cutting tool with diversity function coating of the invention and preparation method thereof, reduces heat
Accumulation on the cutting edge, hard coat is always maintained at high rigidity and wearability, extend cutter life, improve cutter fortune
Capable stability.
Brief description of the drawings
The present invention is further detailed explanation with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is the cutting tool structure schematic diagram for carrying diversity function coating；
Fig. 2 is the existing product Tool in Cutting force data figure of embodiment 8；
Fig. 3 is the Tool in Cutting force data figure that diversity function coating is carried described in embodiment 8.
In figure：10th, hard coat, 20, lubricating layer.
Specific implementation method
Clear, complete description is carried out to technical scheme with reference to the accompanying drawings and examples, the present invention's
, it is necessary to explanation in description, term " " center ", " on ", " under ", "left", "right", " vertical ", " level ", " interior ", " outer " etc.
The orientation or position relationship of instruction are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and letter
Change description, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore be not considered as limiting the invention.
Embodiment 1
As shown in figure 1, a kind of cutting tool with diversity function coating, including cutting tip and chip removal part, institute
It is hard coat 10 to state cutting tip coating, and the chip removal partial coating is lubricating layer 20, the hard coat 10 and lubricating layer
20 use physical vapour deposition (PVD) PVD mode coatings, and described hard coat 10 includes transition zone, intermediate layer and top layer, described mistake
It is CrN to cross composition of layer, and described Interlayer Alloy is (TiAlCrMe) N, and the composition on the top layer is TiN, the chip removal part
The lubricating layer of deposition is DLC coatings.
Further, in the above-mentioned technical solutions, the material of the cutting tool with diversity function coating includes
High-speed steel, hard alloy and ceramics；For the hard coat 10 by up of three layers, transition zone CrN thickness is 0.1-1 μm, is specially
0.1 μm, intermediate layer is (TiAlCrMe) N, Me be V W Si Y one or more of elements in Nb, wherein 0≤Ti≤0.33,0
≤ Al≤0.70,0≤Cr≤0.30,0≤Me≤0.2, specially 1-5 μm of thickness, 1 μm, top layer Ti N thickness are 0.3-1 μm of tool
Body is 0.3 μm, and the lubricating layer is DLC coatings, 0.1-1 μm of thickness, specially 0.1 μm, coefficient of friction 0.05, hardness
HV2000。
Embodiment 2
A kind of cutting tool with diversity function coating, including cutting tip and chip removal part, the cutting tip
Coating is hard coat 10, and the chip removal partial coating is lubricating layer 20, hard coat 10 and lubricating layer 20 the physics gas
Mutually deposition PVD mode coatings, described hard coat 10 include transition zone, intermediate layer and top layer, and described transition composition of layer is
TiN, described Interlayer Alloy are (TiAlCrMe) N, and the composition on the top layer is CrN, the lubrication of the chip removal part deposition
Layer is DLC coatings.
Further, in the above-mentioned technical solutions, the material of the cutting tool with diversity function coating includes
High-speed steel, hard alloy and ceramics；For the hard coat 10 by up of three layers, it is specially 1 μ that transition zone TiN thickness, which is 0.1-1 μm,
M, intermediate layer are (TiAlCrMe) N, Me be V W Si Y one or more of elements in Nb, wherein 0≤Ti≤0.33,0≤Al
≤ 0.70,0≤Cr≤0.30,0≤Me≤0.2, specially 1-5 μm of thickness, 5 μm, top layer CrN thickness are 0.3-1 μm, are specially
1 μm, the lubricating layer is DLC coatings, 0.1-1 μm of thickness, specially 1 μm, coefficient of friction 0.15, hardness HV3000.
Embodiment 3
A kind of cutting tool with diversity function coating, including cutting tip and chip removal part, the cutting tip
Coating is hard coat 10, and the chip removal partial coating is lubricating layer 20, hard coat 10 and lubricating layer 20 the physics gas
Mutually deposition PVD mode coatings, described hard coat 10 include transition zone, intermediate layer and top layer, and described transition composition of layer is
TiN or CrN, described Interlayer Alloy are (TiAlCrMe) N, and the composition on the top layer is TiN or CrN, the chip removal part
The lubricating layer of deposition is DLC coatings.
Further, in the above-mentioned technical solutions, the material of the cutting tool with diversity function coating includes
High-speed steel, hard alloy and ceramics；The hard coat 10 is by up of three layers, and transition zone CrN thickness is 0.2-0.5 μm, specifically
For 0.2 μm, intermediate layer is (TiAlCrMe) N, Me be V W Si Y one or more in Nb, wherein 0≤Ti≤0.33,0≤
Al≤0.70,0≤Cr≤0.30,0≤Me≤0.2, specially 2-3 μm of thickness, 2 μm, top layer Ti N thickness are 0.3-0.8 μm,
Specially 0.3 μm, the lubricating layer is DLC coatings, 0.4-0.8 μm of thickness, specially 0.4 μm, coefficient of friction 0.05, hardness
HV2000。
Embodiment 4
A kind of cutting tool with diversity function coating, including cutting tip and chip removal part, the cutting tip
Coating is hard coat 10, and the chip removal partial coating is lubricating layer 20, hard coat 10 and lubricating layer 20 the physics gas
Mutually deposition PVD mode coatings, described hard coat 10 include transition zone, intermediate layer and top layer, and described transition composition of layer is
TiN or CrN, described Interlayer Alloy are (TiAlCrMe) N, and the composition on the top layer is TiN or CrN, the chip removal part
The lubricating layer of deposition is DLC coatings.
Further, in the above-mentioned technical solutions, the material of the cutting tool with diversity function coating includes
High-speed steel, hard alloy and ceramics；The lubricating layer 20 of the trench portions deposition is DLC coatings；The hard coat 10 is by three
Layer composition, transition zone CrN thickness are 0.2-0.5 μm, and specially 0.5 μm, intermediate layer be (TiAlCrMe) N, Me for V W Si Y
One or more of elements in Nb, wherein 0≤Ti≤0.33,0≤Al≤0.70,0≤Cr≤0.30,0≤Me≤0.2, thickness
2-3 μm, specially 3 μm, top layer TiN thickness are 0.3-0.8 μm, and specially 0.8 μm, the lubricating layer is DLC coatings, thickness
0.4-0.8 μm, specially 0.8 μm, coefficient of friction 0.15, hardness HV3000.
Embodiment 5
A kind of cutting tool with diversity function coating, the cutter material include high-speed steel, hard alloy, ceramics
It is complicated etc. material, tool surface, with cutting and two parts of chip removal.Coating is 20 groups of hard coat 10 and lubricating layer
Into entirely different composition and physical property, coating are deposited by physical vapour deposition (PVD) mode.
A kind of cutting tool with diversity function coating provided by the invention, has high red hardness, wearability and height
The hard coat 10 of hardness, the groove for chip removal have coated cutting tool of the low-friction coefficient beneficial to the lubricating layer 20 of chip removal.
The hard coat 10 includes three layers, and transition zone CrN good toughness improves the hard coat 10 and basal body binding force,
Thickness is 0.1-1 μm, preferably 0.2-0.5 μm.Intermediate layer major function layer, (TiAlCrMe) N, Me be V W Si Y in Nb
One or more of elements, wherein 0≤Ti≤0.33,0≤Al≤0.70,0≤Cr≤0.30,0≤Me≤0.2, the layer have height
Hardness, high red hardness, high-wearing feature, caused heat in working angles, preferably 1-5 μm of thickness, 2-3 μm can be resisted.Top layer
Ti N, as and groove in DLC coatings combination transition zone, DLC coating internal stress is big, with hardness is close, TiN of good toughness or
CrN transition once, improves adhesion, and thickness is 0.3-1 μm preferably 0.3-0.8 μm.
Lubricating layer 20 in heretofore described groove, cleaned up after hard coat is set first, then in main cutting
Sword and tough take are blocked with heat resistance paint smearing, and DLC coatings are applied after heat resistance paint solidification after 20 minutes.Described heat resistance paint is fitted
It is flexible and convenient to use with temperature range≤250 DEG C.
Lubricating layer 20DLC coatings PVD physical vapour deposition (PVD)s, depositing temperature 100-150 in heretofore described groove
DEG C, 0.1-1 μm of thickness, preferably 0.4-0.8 μm, coefficient of friction 0.05-0.15, hardness HV2000-3000.DLC coatings friction system
Number is low, beneficial to chip removal, reduces Tool in Cutting moment of torsion.
Described heat resistance paint is soaked after all coatings terminate, by cutter with the organic solvent trichloro ethylene with ultrasonic wave
Bubble 1 minute, heat resistance paint can remove.
Embodiment 6
As depicted in figs. 1 and 2, a kind of cutting tool with diversity function coating, on M2 high-speed steel drill cutters
It is once with multi-arc ion coating deposition diversity function coating composition：CrN0.5 μm of the transition zone of hard coat 10, intermediate layer
AlCrSiN2.5 μm, CrN0.5 μm of top layer, DLC0.4 μm of lubricating layer 20.
Transition zone (11) CrN：
N2Pressure 0.5Pa, bias 150V, target current 100, time 10min, 350 DEG C of temperature
Intermediate layer (12) AlCrSiN：
N2Pressure 2.6Pa, bias 150V, target current 100, time 90min, 450 DEG C of temperature
Top layer CrN：
N2Pressure 0.8Pa, bias 150V, target current 80,400 DEG C of time 10min temperature
Cutting edge and land are blocked with heat resistance paint after being cleaned up after coming out of the stove with supersonic wave cleaning machine, waits 20min resistance to
High temperature lacquer solidifies laggard stove coating DLC coatings, selected heat resistance paint operating temperature range 0≤DEG C≤250 DEG C of
Lubricating layer 20DLC coatings：
Ar pressure 0.1Pa, bias 90V, electric current 50A, 100 DEG C of temperature, time 20min
1min is soaked after coming out of the stove in the trichloroethylene solvent with ultrasonic wave.
Test machining condition：
Cutter title：4 sword plain millings
Tool diameter：D8.0
It is processed material：SKD11
Hardness：57~60HRC
Rotating speed：5000RPM
Feed speed：F=700mm/min
Cutting-in：Ap=4mm
Cut width：Ae=0.12mm
Tool wear value is after same cutting 50m length：
| Wear of the tool flank | Rake wear | End wear | |
| Target sample | 0.34 | 0.15 | 0.3 |
| This patent product | 0.12 | 0.15 | 0.14 |
Substantially reduced with moment of torsion from this patent product axial force from the point of view of cutting force analyze data, be exactly because of ditch in this patent
Groove chip removal part employs roughness and the extremely low DLC coatings of coefficient of friction, and cutter is smooth in working angles chip removal, reduces heat
The accumulation of amount on the cutting edge, enables the hard coat 10 to be always maintained at high rigidity and wearability, protects tool matrix, reduces
It is frayed, extend cutter life, tool wear value of the above cutting equally after will become apparent from this patent product and be significantly less than
Target product.
Embodiment 7
A kind of preparation method of the cutting tool with diversity function coating, comprises the following steps：
Hard coat 10 is deposited in tool surface by physical vapour deposition (PVD) and deposits lubricating layer 20 in trench portions, specifically
For：
S1：Tool surface deposits the transition zone of hard coat 10, and deposition process temperature is 300 DEG C and N2Flow is
400sccm, back bias voltage is 100V and Ti targets or Cr target arc currents are 80A, and lasts about 600s, is deposited in tool surface
Forming component is TiN or CrN transition zone；
S2:Transition layer surface deposits the intermediate layer of hard coat 10, and deposition process temperature is 400 DEG C and N2Flow is
1000sccm, back bias voltage is 80V and alloy target material arc current is 90A and the duration is 54000s, is entered in transition layer surface
The intermediate layer that row deposition forming component is (TiAlCrMe) N；
S3:Interlayer surfaces deposition hard coat 10 top layer, deposition process temperature is 350 DEG C and N2Flow is 400sccm,
Between back bias voltage is 100V and Ti targets or Cr target arc currents are about 70A, and duration 600s, forming component are TiN or CrN
Top layer；
S4：After hard coat is integrally formed in cutter, smears and block in blades of cutting tools heat resistance paint, in an atmosphere
Place 20 minutes, the heat resistance paint selection operating temperature is 0 DEG C -250 DEG C；
S5：The lubricating layer 20 of DLC coatings, lubricating layer DLC depositions are deposited as in cutter slot part using filtered arc equipment
Temperature is 80 DEG C, and Ar flows are 50sccm, and it is 40A to bias as 100V, graphite target arc current, and the DLC depositing operation duration is
1200s；
S6：And then include transition zone, intermediate layer and the hard coat on top layer 10 and cutter row in blades of cutting tools formation
Bits part forms lubricating layer, is prepared into the cutting tool with diversity function coating.
Further, in the above-mentioned technical solutions, it is further comprising the steps of：
S7：Cutter soaks in the trichloroethylene solvent with ultrasonic wave after coating removes cutting tip surface refractory
Paint.
Further, in the above-mentioned technical solutions, in composition (TiAlCrMe) N in the intermediate layer, Me V, W, Si, Y
Or one or more of elements in Nb.
Preferably, the S1 steps, S2 steps, multi-arc ion coating are deposited as in S3 steps.
Step S4 can ensure to form diversity coating on any complex cutting tool surface, any spiral angle, complex-curved
It can meet to operate, flexibility is strong, is that other modes can not be completed.
Embodiment 8
A kind of preparation method of the cutting tool with diversity function coating, comprises the following steps：
Hard coat 10 is deposited in tool surface by physical vapour deposition (PVD) and deposits lubricating layer 20 in trench portions, specifically
For：
S1：Tool surface deposits the transition zone of hard coat 10, and deposition process temperature is 400 DEG C and N2Flow is
600sccm, back bias voltage is 200V and Ti targets or Cr target arc currents are 110A, and lasts about 1200s, is sunk in tool surface
Product forms transition zone, and forming component is TiN or CrN transition zone；
S2:Transition layer surface deposits the intermediate layer of hard coat 10, and deposition process temperature is 500 DEG C and N2Flow is
1200sccm, back bias voltage is 180V and alloy target material arc current is 100A and the duration is 90000s, in transition layer surface
Carry out deposition and form intermediate layer, forming component is (TiAlCrMe) N intermediate layer；
S3:Interlayer surfaces deposition hard coat 10 top layer, deposition process temperature is 450 DEG C and N2Flow is 600sccm,
Between back bias voltage is 150V and Ti targets or Cr target arc currents are about 90A, and duration 1200s, forming component be TiN or
CrN top layer；
S4：After hard coat is integrally formed in cutter, smears and block in blades of cutting tools heat resistance paint, in an atmosphere
Place 20 minutes, the heat resistance paint selection operating temperature is 0 DEG C -250 DEG C；
S5：The lubricating layer 20 of DLC coatings, lubricating layer DLC depositions are deposited as in cutter slot part using filtered arc equipment
Temperature is 170 DEG C, and Ar flows are 120sccm, is biased as 300V, and graphite target arc current is 60A, the DLC depositing operation duration
For 2400s；
S6：And then include transition zone, intermediate layer and the hard coat on top layer 10 and cutter row in blades of cutting tools formation
Bits part forms lubricating layer, is prepared into the cutting tool with diversity function coating.
Further, in the above-mentioned technical solutions, it is further comprising the steps of：
S7：Cutter soaks in the trichloroethylene solvent with ultrasonic wave after coating removes cutting tip surface refractory
Paint.
Preferably, the hard coat 10 is followed successively by transition zone, intermediate layer and top layer from inside to outside.
The cutting tool with diversity function coating of the present invention, has high red hardness, wearability and high rigidity
Hard coat, groove chip removal part employs roughness and the extremely low DLC coatings of coefficient of friction, and cutter is in working angles chip removal
It is smooth, reduce the accumulation of heat on the cutting edge, hard coat is always maintained at high rigidity and wearability, extend the cutter longevity
Life, improve the stability of cutter operation.The present invention is applied to cutting element technical field, and prospect is used with wide.
It is described above, it is only the preferable specific implementation method of the present invention, but protection scope of the present invention and this is not limited to,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, is all included within the scope of the present invention.
Claims (4)
- A kind of 1. cutting tool with diversity function coating, it is characterised in that：The cutting tool include cutting tip and Chip removal part, the cutting tip coating are hard coat, and the chip removal partial coating is lubricating layer, the hard coat and profit Slip layer physical vapour deposition (PVD) PVD mode coatings, described hard coat include transition zone, intermediate layer and top layer, described mistake It is TiN or CrN to cross composition of layer, and described Interlayer Alloy is (TiAlCrMe) N, and the composition on the top layer is TiN or CrN, institute The lubricating layer for stating chip removal part deposition is DLC coatings.
- 2. the cutting tool according to claim 1 with diversity function coating, it is characterised in that：It is described with various The material of the cutting tool of sexual function coating includes high-speed steel, hard alloy and ceramics；The hard coat is by up of three layers, mistake Layer TiN or CrN thickness is crossed as 0.1-1 μm, intermediate layer be (TiAlCrMe) N, Me be V W Si Y it is one or more of first in Nb Element, wherein 0≤Ti≤0.33,0≤Al≤0.70,0≤Cr≤0.30,0≤Me≤0.2,1-5 μm of thickness, top layer TiN or CrN Thickness is 0.3-1 μm；The lubricating layer is DLC coatings, 0.1-1 μm of thickness, coefficient of friction 0.05-0.15, hardness HV2000- 3000。
- A kind of 3. preparation method of the cutting tool with diversity function coating, it is characterised in that：Will for preparing right such as 1 cutting tool for carrying diversity function coating is sought, is comprised the following steps：S1：Tool surface deposition prepares transition zone, and deposition process temperature is 300 DEG C -400 DEG C and N2Flow is 400-600sccm, Back bias voltage is 100V-200V and Ti targets or Cr target arc currents are 80A-110A, and lasts about 600s-1200s, in tool surface Carry out depositing the transition zone that forming component is TiN or CrN；S2:Transition layer surface deposits the intermediate layer of hard coat, and deposition process temperature is 400 DEG C -500 DEG C and N2Flow is 1000- 1200sccm, back bias voltage is 80V-180V and alloy target material arc current is 90A-100A and the duration is 54000s- 90000s, carry out depositing the intermediate layer that forming component is (TiAlCrMe) N in transition layer surface；S3:Interlayer surfaces deposition hard coat top layer, deposition process temperature is 350 DEG C -450 DEG C and N2Flow is 400- 600sccm, between back bias voltage is 100V-150V and Ti targets or Cr target arc currents are about 70A-90A, and duration 600s- 1200s, carry out depositing the top layer that forming component is TiN or CrN in interlayer surfaces；S4：After hard coat is integrally formed in cutter, smears and block in blades of cutting tools heat resistance paint, place in an atmosphere 20 minutes, the heat resistance paint selection operating temperature was 0 DEG C -250 DEG C；S5：The lubricating layer of DLC coatings is deposited as in cutter slot part using filtered arc equipment, lubricating layer DLC depositing temperatures are 80 DEG C -170 DEG C, Ar flows are 50sccm-120sccm, and it is 40A-60A to bias as 100V-300V, graphite target arc current, and DLC sinks Product process lasting time is 1200s-2400s；S6：And then include transition zone, intermediate layer and the hard coat on top layer and cutter chip removal part in blades of cutting tools formation Lubricant coating is formed, is prepared into the cutting tool as claimed in claim 1 for carrying diversity function coating.
- 4. the preparation method of the cutting tool according to claim 3 with diversity function coating, it is characterised in that：Also Comprise the following steps：S7：Cutter soaks in the trichloroethylene solvent with ultrasonic wave after coating removes cutting tip surface refractory paint.
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| CN116174546A (en) * | 2023-04-28 | 2023-05-30 | 佛山高谱机械科技有限公司 | Pipe thermal bending method based on composite action of electric conduction and self lubrication |
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